Molecular formula:　C₆H₁₀CaO₄
　　Molecular weight:　186.22
　　Properties:
　　white crystal, granule or crystalline powder. no smell or slight odor of propionic acid, used as food additive. PH of
　　10%Aq. solution 8-10.
　　Quality index:

Item	Unit	Standard value
Assay( as dry)	%	≥99.0
PH of Aq. solution	-	7-9
water insoluble matter	%	≤0.15
Moisture	%	≤9.5
Free acid( as CH3CH2COOH)	%	≤0.11
Free alkali( as NaOH)	%	≤0.06
Fluoride ( as F)	%	≤0.003
Mg( as MgO)	%	≤0.4
As ( as As)	%	≤0.0002
Heavy metals( as Pb)	%	≤0.001

　　Uses:
　　Mainly used as preservative for bread, cake and cheese; Used as mildew inhibitor and mineral additive for feed; Max
　　dosage is 3.15g/kg.
　　Packing:　25KG/ woven bag or film coated paper bag.